/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.camel.component.twitter.directmessage;

import java.util.List;

import org.apache.camel.Exchange;
import org.apache.camel.component.twitter.TwitterEndpoint;
import org.apache.camel.component.twitter.consumer.AbstractTwitterConsumerHandler;
import org.apache.camel.component.twitter.consumer.TwitterEventType;
import twitter4j.DirectMessage;
import twitter4j.TwitterException;

/**
 * Consumes a user's direct messages
 */
public class DirectMessageConsumerHandler extends AbstractTwitterConsumerHandler {

    public DirectMessageConsumerHandler(TwitterEndpoint te) {
        super(te);
    }

    @Override
    public List<Exchange> pollConsume() throws TwitterException {
        List<DirectMessage> directMessages =  getTwitter().getDirectMessages(getLastIdPaging());
        for (int i = 0; i < directMessages.size(); i++) {
            setLastIdIfGreater(directMessages.get(i).getId());
        }

        return TwitterEventType.DIRECT_MESSAGE.createExchangeList(endpoint, directMessages);
    }

    @Override
    public List<Exchange> directConsume() throws TwitterException {
        return TwitterEventType.DIRECT_MESSAGE.createExchangeList(
            endpoint,
            getTwitter().getDirectMessages()
        );
    }
}
